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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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The 5th centered decagonal number (numbers of the form 5(n^2 - n) + 1). [Green]


  Submitted: 2009-08-11 21:41:08;   Last Modified: 2009-08-12 12:12:01.

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